Sears offers the Ultra Plus Powder Laundry Detergent 275-Load Box (26.4 lbs.) for $13.49. Opt for free in-store pickup to avoid the $21.59 shipping charge. That's $0.05/load, $14 off, and tied with our September mention as the lowest total price we could find. This detergent is rated for high efficiency use in all washer types.
Of note, Shop Your Way Rewards members may earn a Sears credit with this purchase and may be eligible for additional credits and discounts.